Miamed Refactor

miamed.php

<?php

namespace Com\Company\System;

use \Com\Company\Interfaces;

class VerifyHelper
{

    /**
     * @var Interfaces\UserValidationServiceImpl $us
     */
    private $us;

    /**
     * @var Interfaces\ParamServiceImpl $serviceImpl
     */
    private $serviceImpl;

    /**
     * VerifyHelper constructor.
     */
    public function __construct()
    {
        $this->us = \DI::get("userValidation");
        $this->serviceImpl = \DI::get("paramService");
    }

    /**
     * Performs an action.
     * @param $str
     * @return string
     */
    public function performAction($str)
    {
        if (!is_string($str) || !strlen($str)) {
            return "INVALID_PARAMETER";
        }

        $now = (new \DateTime("now", new \DateTimeZone("Europe/London")))->format("Y-m-d");

        $split = explode(';', $str);

        $client_id = $split[0];
        $customer_code = $split[1] ?? null;

        $sb = "<xml><client_id>$client_id</client_id>";

        if ($this->isNew() && $customer_code) {
            $sb .= "<customer_code>$customer_code</customer_code>";
        }

        $sb .= "<check_date>$now</check_date>";
        $sb .= "</xml>";

        return $this->us->validate($sb);
    }

    /**
     * @return bool
     */
    public function isNew()
    {
        return $this->serviceImpl->getParam("NEW_CLIENT_MODEL") == "YES";
    }
}